TPA301DR

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TPA301DR

+BOM

IC AMP CLASS AB MONO 700MW 8SOIC

  • ManufacturerTexas Instruments

  • Mfr. Part #TPA301DR

  • In Stock3795

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Specifications

Attribute Value
PartStatus Active
Type Class AB
OutputType 1-Channel (Mono)
MaxOutputPowerxChannels@Load 700mW x 1 @ 8Ohm
Voltage-Supply 2.5V ~ 5.5V
Features Short-Circuit and Thermal Protection, Shutdown
MountingType Surface Mount
OperatingTemperature -40°C ~ 85°C (TA)
SupplierDevicePackage 8-SOIC
Package/Case 8-SOIC (0.154", 3.90mm Width)
BaseProductNumber TPA301

Overview

Description

The TPA301DR is a Class-D audio amplifier from Texas Instruments, designed for driving speakers in a variety of applications such as portable devices, TVs, and other audio systems. It offers high efficiency, reducing power consumption and heat dissipation, which is ideal for battery-operated devices. The amplifier can deliver significant output power while maintaining audio quality with low distortion.
Key features include a wide supply voltage range, onboard protections against thermal and overcurrent conditions, and a small footprint, making it suitable for compact designs. The TPA301DR supports various audio inputs and can be configured for different speaker impedances, providing versatility in applications.
Additionally, it integrates advanced features like shutdown modes and mute functions, enhancing user control and power management. Overall, the TPA301DR is a reliable solution for efficient audio amplification in modern electronic devices.

Equivalent

The TPA301DR is a Class D audio amplifier chip, and its equivalent products include the TPA3110, TPA3116, and TPA3123 from Texas Instruments. Other comparable alternatives are the LM2876 and LM1875 from Texas Instruments and National Semiconductor, respectively. Always check the specifications and performance characteristics to ensure compatibility with your application.

Features

The TPA301DR is a high-performance, dual-channel audio amplifier from Texas Instruments designed for driving speakers in portable and battery-operated devices. Key features include:
1. Class-D Amplification: Offers high efficiency, reducing heat generation and extending battery life.
2. Output Power: Capable of delivering up to 2.7 W per channel into a 4-ohm load, making it suitable for small speakers.
3. Low THD+N: Provides low total harmonic distortion plus noise, ensuring high-quality audio output.
4. Integrated Protection Circuits: Includes features like thermal shutdown, overcurrent protection, and short-circuit protection for reliable operation.
5. Power Supply Range: Operates on a wide voltage range, typically from 2.5 V to 5.5 V, accommodating various battery technologies.
6. Small Package Size: Housed in a compact QFN (Quad Flat No-lead) package, facilitating space-saving designs.
7. I2C Interface: Supports digital control options, allowing for integration with microcontrollers.
The TPA301DR is ideal for applications in portable media players, smartphones, and other compact audio devices.

Pinout

The TPA301DR is a high-efficiency Class-D audio amplifier from Texas Instruments, designed for driving speakers in various applications. It features a total of 16 pins.
### Pin Function Summary:
1. GND: Ground connection.
2. VDD: Power supply input.
3. IN+: Positive audio input.
4. IN-: Negative audio input.
5. OUT+: Positive output to speaker.
6. OUT-: Negative output to speaker.
7. MUTE: Mute control input.
8. FAULT: Fault indication output.
9. RBOOT: Bootstrap capacitor connection.
10. PVDD: Power stage supply voltage.
11. THERM: Thermal shutdown output.
12. AGND: Analog ground connection.
13. COM: Common connection for outputs.
14. CSN: Chip select input for SPI communication.
15. CLK: Clock input for SPI synchronization.
16. SDA: Serial data input/output.
This amplifier is suitable for portable applications due to its compact design and efficiency.

Manufacturer

The TPA301DR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1951, Texas Instruments is renowned for its semiconductor and electronics innovations. The company specializes in designing and manufacturing a wide range of products, including analog and digital signal processing devices, embedded processors, and microcontrollers.
Texas Instruments serves various industries, including automotive, industrial, communications, and consumer electronics. Their products are widely used in applications such as audio amplification, power management, and data conversion. TI is recognized not only for its advanced technological solutions but also for its commitment to research and development, which has positioned it as a leader in the semiconductor sector.
The TPA301DR itself is a Class-D audio amplifier, known for its efficiency and high-quality audio output, typically utilized in consumer electronics like televisions, sound systems, and portable audio devices. TI's reputation for quality and reliability makes the TPA301DR a popular choice among developers and engineers.

Application

The TPA301DR is a high-efficiency Class D audio amplifier primarily used in various audio applications. Its key areas include portable audio devices, such as Bluetooth speakers and soundbars, automotive audio systems, and home theater setups. It is suitable for driving small to medium speakers in consumer electronics due to its compact size and low power consumption. Additionally, the TPA301DR is commonly used in TV sound systems, computer audio peripherals, and DIY audio projects, making it versatile for enhancing sound quality in different environments.

Package

The TPA301DR is packaged in a VQFN (Very Thin Quad Flat No-lead) package. It features a compact design suitable for efficient thermal performance and space-saving in electronic circuits.

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